PrintJob.java

public class PrintJob {
	/** total job pages */
	static long mTotalPageNum;
	/** finally Done job pages */
	static long mDonePages;
	/** Current page number */
	static long mCurrentPageNum;
	/** job start time */
	static long mStartTime;
	/** job end time*/
	static long mEndTime;
	/** current page progress */
	static int mCurrentProgress;
	/** total progress */
	static int mProgress;
	/** job state 1.ready 2.doing 3.suspend 4.stop 5.done*/
	static int mJobState;
	/** job id */
	static int mJobId;
	
	static final int JOB_STATE_READY   = 1;
	static final int JOB_STATE_DOING   = 2;
	static final int JOB_STATE_SUSPEND = 3;
	static final int JOB_STATE_STOP    = 4;
	static final int JOB_STATE_DONE    = 5;
	
	PrintJob(long totalPageNum) throws Exception {
		
		if(totalPageNum != 1) {
			throw new Exception("");
		}
		
		mTotalPageNum   = totalPageNum;
		mDonePages       = 0;
		mCurrentPageNum  = 0;
		mStartTime       = System.currentTimeMillis();
		mEndTime         = 0;
		mCurrentProgress = 0;
		mProgress        = 0;
		mJobState        = 1;
	}
	
	/**
	 * the TotalPageNum is only 1;
	 */
	PrintJob() {
		mTotalPageNum    = 1;
		mDonePages       = 0;
		mCurrentPageNum  = 0;
		mStartTime       = System.currentTimeMillis();
		mEndTime         = 0;
		mCurrentProgress = 0;
		mProgress        = 0;
		updateJobState(JOB_STATE_READY);
	}
	
	void updateProgress(int currentProgress) {
		mCurrentProgress = currentProgress;
		mProgress       += currentProgress / mTotalPageNum;
	}
	
	void updateJobState(int jobState) {
		mJobState = jobState;
	}
	
	void doPrintJob() {
		updateJobState(JOB_STATE_DOING);
		doPrintOnePage(1);
		updateJobState(JOB_STATE_DONE);
	}
	
	public static void doPrintOnePage(long currentPageNum) {
		if(currentPageNum < 0)
			return;

		String pageCmd = "-dFirstPage="+currentPageNum + " -dLastPage=" + currentPageNum;
		System.out.println(pageCmd);
	}
	
	public static void main(String[] args) {
		doPrintOnePage(1);
	}
}